DPD - Tracking

{
  "carrier": "dpd",
  "action": "track",
  "params": {
    "username": "GEOTRACK",
    "password": "g30tr4ck",
    "tracking_number": "1371134583769923",
    "test": true
  }
}

<?php
$rs = new RocketShipIt;
$response = $rs->request(
array (
  'carrier' => 'dpd',
  'action' => 'track',
  'params' => 
  array (
    'username' => 'GEOTRACK',
    'password' => 'g30tr4ck',
    'tracking_number' => '1371134583769923',
    'test' => true,
  ),
)
);

rs.request(
  {'action': 'track',
 'carrier': 'dpd',
 'params': {'password': 'g30tr4ck',
            'test': True,
            'tracking_number': '1371134583769923',
            'username': 'GEOTRACK'}}

)

rs.request(
  {"carrier"=>"dpd",
 "action"=>"track",
 "params"=>
  {"username"=>"GEOTRACK",
   "password"=>"g30tr4ck",
   "tracking_number"=>"1371134583769923",
   "test"=>true}}

)

rocketshipit.request(
  {
  "carrier": "dpd",
  "action": "track",
  "params": {
    "username": "GEOTRACK",
    "password": "g30tr4ck",
    "tracking_number": "1371134583769923",
    "test": true
  }
}
)